<?php
//压缩html代码
function wp_compress_html()
{
function wp_compress_html_main ($buffer)
{
    $initial=strlen($buffer);
    $buffer=explode("<!--wp-compress-html-->", $buffer);
    $count=count ($buffer);
    for ($i = 0; $i <= $count; $i++)
    {
        if (stristr($buffer[$i], '<!--wp-compress-html no compression-->'))
        {
            $buffer[$i]=(str_replace("<!--wp-compress-html no compression-->", " ", $buffer[$i]));
        }
        else
        {
            $buffer[$i]=(str_replace("\t", " ", $buffer[$i]));
            $buffer[$i]=(str_replace("\n\n", "\n", $buffer[$i]));
            $buffer[$i]=(str_replace("\n", "", $buffer[$i]));
            $buffer[$i]=(str_replace("\r", "", $buffer[$i]));
            while (stristr($buffer[$i], '  '))
            {
            $buffer[$i]=(str_replace("  ", " ", $buffer[$i]));
            }
        }
        $buffer_out.=$buffer[$i];
    }
    //$final=strlen($buffer_out);
    //$savings=($initial-$final)/$initial*100;
    //$savings=round($savings, 2);
    //$buffer_out.="\n<!--压缩前的大小: $initial bytes; 压缩后的大小: $final bytes; 节约：$savings% -->";
    return $buffer_out;
}
ob_start("wp_compress_html_main");
}
add_action('get_header', 'wp_compress_html');
